typedef IntersectionObserverCallback

IntersectionObserverCallback = void Function(List entries, IntersectionObserver observer)

Реализация

typedef void IntersectionObserverCallback(
    List entries, IntersectionObserver observer);

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.19.6/dart-html/IntersectionObserverCallback.html